you
to
use a second
monitor
as
an extension
of your
display. Also referred
to
as dual display
mode.
extended
PC Card — A
PC Card
that
extends beyond
the
edge
of the PC
Card
slot
when
installed.
F
Fa
h
r
e
n
h
e
i
t
— A
temperature measurement
scale
wher
e
32° is
the
freezing
point
and 212° is
the boiling point of
water.
FBD —
fully-buffered
DIMM — A DIMM with DDR2
DRAM
chips and an Advanced Memory Buffer
(AMB)
that
speeds
communication
between
the DDR2 SDRAM
chips and
the system.
FCC —
Federal Communications Commission
— A U.S.
agency responsible
for
enforcing communications-r
e
lated
r
eg
u
lation
s
that
state how
much
radiation computers
and
other electronic equipment can
emit.
fingerprint
reader
— A strip
sensor
that
uses your
unique
fingerprint to
authenticate your user
identity to help
secure your
computer.
folder — A term
used
to
describe space
on
a disk
or drive
where files are organized and grouped.
F
i
les
in
a folder
can
be viewed and ordered
in
various ways, such as
alphabetically, by date, and by
size.
format — The
process
that
prepares a drive
or
disk
for
file
storage.
When
a drive
or
disk is formatted,
the
e
x
isting
information on it
is
lost.
FSB
— front
side bus
— The
data
path
and physical
interface between
the
processor and
RAM.
FTP — file
transfer protocol
— A
standard
Internet
protocol used
to
exchange files between
computers
connected
to the Internet.
G
G —
gravity
— A
measurement
of
weight and
force.
GB —
gigabyte
— A
measurement
of
data storage
that
equals 1024
MB
(1,073,741,824 bytes).
When
used
to
refer
to
hard drive storage,
the term
is
often
rounded
to
1,000,000,000
bytes.
GHz —
gigahertz
— A
measurement
of
frequency
that
equals one thousand
million Hz, or
one thousand
MHz.
The
speeds
for
computer
processors, buses,
and interfaces
are
often
measured
in GHz.
graphics mode
— A
video mode
that
can be defined
as x
horizontal pixels by y vertical pixels by
z
colors.
Graphics
modes can display an
unlimited
variety
of
shapes
and
fonts.
GUI —
graphical user interface
—
Software
that interacts
with the
user by means
of
menus, windows, and
icons.
Most
programs
that
operate
on the Windows operating
systems are
GUIs.
H
hard drive
— A
drive
that
reads and writes data
on
a
hard
disk.
The
terms hard drive and hard disk are
often used
interchangeably.
heat
sink — A
metal plate
on
some processors
that helps
dissipate
heat.
hibernate mode
— A
power management mode
that
saves
everything
in
memory
to
a reserved space
on the hard
drive and
then turns off the
computer.
When
you restart
the
computer,
the
memory
information that
was saved
to
the
hard drive is automatically
restored.
HTTP —
hyperte
x
t
transfer protocol
— A
protocol
for
exchanging files between computers connected
to the
Internet.
Hyper-Threading
—
Hyper-Threading is an
Intel
technology
that
can enhance overall
computer
performance by allowing one physical processor
to
function
as
two
logical processors, capable
of performing
certain tasks
simultaneously.
Hz —
hertz
— A unit of
frequency measurement
that
equals
1
cycle per second. Computers and
electronic
devices are
often
measured
in kilohertz (kHz),
megahertz
(MHz),
gigahertz
(GHz), or
terahertz
(THz).
I
IC —
integrated
circuit — A
semiconductor wafer,
or
chip, on which
thousands
or millions of tiny electronic
152
Glossary
To Next Page
Loading...
